Businesses in Marion County, Illinois

As of October 20, 2026, ListRiver's records show 1,650 active registered businesses in Marion County, Illinois, the 38th most among Illinois counties. 60% are LLCs. 23 were formed in September 2026.

From official Illinois registry records, updated weekly. Look up a Illinois business by name.

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Businesses on record

1,650

Formed in the last 12 months

258

Formed in September

With a phone number

18%

301 records

New Marion County businesses per month

Businesses on record by formation month, through September 2026. Monthly Illinois new-business reports · Get the list of 23 new businesses formed in September 2026

Entity types

LLCs985 · 60%
Corporations408 · 25%
Nonprofits255 · 15%
Other2 · 0%

Top cities

Centralia746 · 45%
Salem547 · 33%
Iuka77 · 5%
Odin49 · 3%
Patoka48 · 3%
Kinmundy47 · 3%
Sandoval47 · 3%
Kell27 · 2%
Alma23 · 1%
Walnut Hill19 · 1%
Vernon7 · 0%
Central City5 · 0%
Junction City2 · 0%
Mount Vernon2 · 0%
Nashville1 · 0%

Top ZIP codes

ZIP 62801750 · 45%
ZIP 62881547 · 33%
ZIP 6284979 · 5%
ZIP 6287050 · 3%
ZIP 6288249 · 3%
ZIP 6287548 · 3%
ZIP 6285447 · 3%
ZIP 6285327 · 2%
ZIP 6280724 · 1%
ZIP 6289322 · 1%
ZIP 628927 · 0%

Newest business names registered in Marion County

Get all 1,650 Marion County businesses · see price Just the 74 formed in the last 90 days · see price

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This is a small sample, not the full list. To keep automated scrapers from copying our data, we only show a handful of records on public pages. Your downloaded list includes every matching business.

Business	City	Type	Formed
Name hidden	Salem	LLC	Oct 2026
Name hidden	Centralia	LLC	Oct 2026
Name hidden	Central City	LLC	Oct 2026
Name hidden	Alma	LLC	Oct 2026
Name hidden	Salem	LLC	Oct 2026
Name hidden	Odin	LLC	Oct 2026
Name hidden	Centralia	LLC	Oct 2026
Name hidden	Vernon	LLC	Oct 2026
Name hidden	Centralia	LLC	Oct 2026
Name hidden	Odin	LLC	Oct 2026
Name hidden	Walnut Hill	LLC	Oct 2026
Name hidden	Kinmundy	LLC	Oct 2026
Name hidden	Salem	LLC	Oct 2026
Name hidden	Odin	LLC	Oct 2026
Name hidden	Centralia	LLC	Oct 2026
Name hidden	Salem	LLC	Oct 2026
Name hidden	Centralia	LLC	Oct 2026
Name hidden	Centralia	LLC	Oct 2026
Name hidden	Salem	LLC	Oct 2026
Name hidden	Centralia	LLC	Oct 2026
Name hidden	Centralia	LLC	Oct 2026
Name hidden	Centralia	Corporation	Oct 2026
Name hidden	Centralia	Nonprofit	Oct 2026
Name hidden	Salem	LLC	Sep 2026
Name hidden	Iuka	LLC	Sep 2026

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Common questions about Marion County businesses

How many businesses are registered in Marion County, Illinois?

ListRiver has 1,650 active registered businesses in Marion County, Illinois on record as of October 20, 2026, from official Illinois business registry data. Dissolved and defunct businesses are not counted.

How many new businesses were formed in Marion County, Illinois in September 2026?

23 businesses on record in Marion County, Illinois were formed in September 2026.

How many new businesses opened in Marion County, Illinois in the last 12 months?

258 businesses on record in Marion County, Illinois were formed in the 12 months through September 2026.

What is the most common type of business in Marion County, Illinois?

LLCs are the most common: 985 of 1,650 businesses on record (60%), followed by Corporations with 408 (25%).

Where does this data come from?

From Illinois's official business registry. ListRiver loads each new state file, standardizes it, removes duplicates and updates its database weekly. Email and industry details are added from SMBCredit.net where available.

How do I get a list of businesses in Marion County, Illinois?

Use ListRiver's list builder to filter Marion County, Illinois businesses by entity type, formation date, industry and contact details, see the exact count and price, and download a CSV. Every list includes monthly refresh files.

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<div style="max-width:520px"><iframe src="https://listriver.com/embed/new-businesses/illinois/marion-county" title="New businesses in Marion County, Illinois by month" width="100%" height="370" style="border:0" loading="lazy"></iframe><p style="font:13px sans-serif;margin:4px 0 0">Source: <a href="https://listriver.com/business-lists/illinois/marion-county">Businesses in Marion County, Illinois</a>, ListRiver</p></div>

About this data

Counts come from official Illinois business registry records on file with ListRiver, current as of October 20, 2026. They include businesses that are active on the state register; dissolved and defunct entities are excluded. Contact details are added from SMBCredit.net where available. Formation months reflect the registration date the state reports. See the methodology for sources, update schedules and known limits.